package com.tocici.service.impl;

import org.dromara.common.core.utils.MapstructUtils;
import org.dromara.common.core.utils.StringUtils;
import org.dromara.common.mybatis.core.page.TableDataInfo;
import org.dromara.common.mybatis.core.page.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import com.tocici.domain.bo.CommentBo;
import com.tocici.domain.vo.CommentVo;
import com.tocici.domain.Comment;
import com.tocici.mapper.CommentMapper;
import com.tocici.service.ICommentService;

import java.util.List;
import java.util.Map;
import java.util.Collection;

/**
 * 评论Service业务层处理
 *
 * @author zeratul
 * @date 2025-03-02
 */
@RequiredArgsConstructor
@Service
public class CommentServiceImpl implements ICommentService {

    private final CommentMapper baseMapper;

    /**
     * 查询评论
     *
     * @param commentId 主键
     * @return 评论
     */
    @Override
    public CommentVo queryById(Long commentId){
        return baseMapper.selectVoById(commentId);
    }

    /**
     * 分页查询评论列表
     *
     * @param bo        查询条件
     * @param pageQuery 分页参数
     * @return 评论分页列表
     */
    @Override
    public TableDataInfo<CommentVo> queryPageList(CommentBo bo, PageQuery pageQuery) {
        LambdaQueryWrapper<Comment> lqw = buildQueryWrapper(bo);
        Page<CommentVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
        return TableDataInfo.build(result);
    }

    /**
     * 查询符合条件的评论列表
     *
     * @param bo 查询条件
     * @return 评论列表
     */
    @Override
    public List<CommentVo> queryList(CommentBo bo) {
        LambdaQueryWrapper<Comment> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<Comment> buildQueryWrapper(CommentBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<Comment> lqw = Wrappers.lambdaQuery();
        lqw.orderByAsc(Comment::getCommentId);
        lqw.eq(bo.getMusicId() != null, Comment::getMusicId, bo.getMusicId());
        lqw.eq(bo.getParentId() != null, Comment::getParentId, bo.getParentId());
        lqw.eq(bo.getUserId() != null, Comment::getUserId, bo.getUserId());
        lqw.eq(StringUtils.isNotBlank(bo.getContent()), Comment::getContent, bo.getContent());
        lqw.eq(bo.getIsDeleted() != null, Comment::getIsDeleted, bo.getIsDeleted());
        return lqw;
    }

    /**
     * 新增评论
     *
     * @param bo 评论
     * @return 是否新增成功
     */
    @Override
    public Boolean insertByBo(CommentBo bo) {
        Comment add = MapstructUtils.convert(bo, Comment.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setCommentId(add.getCommentId());
        }
        return flag;
    }

    /**
     * 修改评论
     *
     * @param bo 评论
     * @return 是否修改成功
     */
    @Override
    public Boolean updateByBo(CommentBo bo) {
        Comment update = MapstructUtils.convert(bo, Comment.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(Comment entity){
        //TODO 做一些数据校验,如唯一约束
    }

    /**
     * 校验并批量删除评论信息
     *
     * @param ids     待删除的主键集合
     * @param isValid 是否进行有效性校验
     * @return 是否删除成功
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
        if(isValid){
            //TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteByIds(ids) > 0;
    }
}
